{"id":63850,"date":"2025-08-10T00:37:32","date_gmt":"2025-08-10T00:37:32","guid":{"rendered":""},"modified":"2025-09-04T23:56:05","modified_gmt":"2025-09-05T05:56:05","slug":"cve-2025-46093-critical-vulnerability-in-liquidfiles-allowing-root-access-via-ftp-site-chmod","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-46093-critical-vulnerability-in-liquidfiles-allowing-root-access-via-ftp-site-chmod\/","title":{"rendered":"<strong>CVE-2025-46093: Critical Vulnerability in LiquidFiles Allowing Root Access via FTP SITE CHMOD<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this post, we will explore the details of a critical security vulnerability, known as CVE-2025-46093, that affects versions of LiquidFiles prior to 4.1.2. This vulnerability enables FTPDrop users to gain root-level access and execute arbitrary code on affected systems by leveraging the Actionscript feature and sudoers configuration. Given the severity and potential ramifications, understanding this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46199-critical-cross-site-scripting-xss-vulnerability-in-grav\/\"  data-wpil-monitor-id=\"71414\">vulnerability is critical<\/a> for IT security professionals, system administrators, and developers who work with or support LiquidFiles systems.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-46093<br \/>\nSeverity: Critical (CVSS 9.9)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: Potential system compromise or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72498\">data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3716395905\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>LiquidFiles | Before 4.1.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30949-critical-deserialization-vulnerability-in-guru-team-site-chat-on-telegram\/\"  data-wpil-monitor-id=\"79305\">vulnerability stems from LiquidFiles&#8217; support for FTP SITE<\/a> CHMOD for mode 6777 (setuid and setgid). This allows FTPDrop users to manipulate file permissions, ultimately enabling them to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50460-remote-code-execution-vulnerability-in-ms-swift-project\/\"  data-wpil-monitor-id=\"71446\">execute arbitrary code<\/a> as root. They achieve this by exploiting the Actionscript feature and the sudoers configuration. Given the power associated with root-level access, successful exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7571-critical-vulnerability-in-utt-hiper-840g-leading-to-buffer-overflow\/\"  data-wpil-monitor-id=\"71537\">vulnerability could lead<\/a> to full system compromise, including unauthorized data access, data modification, or service disruption.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2975937830\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here&#8217;s a conceptual example of how an attacker might exploit this vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\"># Log in to the FTP server\nftp target.example.com\n# Change to the directory containing the file to exploit\ncd \/path\/to\/target\/directory\n# Change the mode of the file to 6777 using SITE CHMOD\nSITE CHMOD 6777 targetfile\n# Execute the script as root\necho &quot;os.execute(&#039;sh&#039;)&quot; &gt; exploit.as &amp;&amp; gcc -o exploit exploit.as\n# Use sudo to run the exploit script\nsudo .\/exploit<\/code><\/pre>\n<p>This example demonstrates how an attacker could use FTP SITE CHMOD to change file permissions, compile an exploit script, and then <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74692\">execute this script<\/a> as root. This is just a conceptual demonstration; the actual exploitation would involve more complex and specific steps depending on the exact <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7384-php-object-injection-vulnerability-in-wordpress-plugin-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"79062\">system configuration and the attacker&#8217;s objectives<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To remediate this vulnerability, users are advised to update their LiquidFiles software to version 4.1.2 or later, which contains a patch for this security issue. If immediate patching is not feasible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. However, these measures only provide a stopgap <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52376-authentication-bypass-vulnerability-in-nexxt-solutions-ncm-x1800-mesh-router\/\"  data-wpil-monitor-id=\"75461\">solution and do not fully resolve the vulnerability<\/a>. As such, patching should be carried out as soon as possible to fully protect <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27043-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75462\">systems from potential<\/a> exploitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this post, we will explore the details of a critical security vulnerability, known as CVE-2025-46093, that affects versions of LiquidFiles prior to 4.1.2. This vulnerability enables FTPDrop users to gain root-level access and execute arbitrary code on affected systems by leveraging the Actionscript feature and sudoers configuration. Given the severity and potential ramifications, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-63850","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/63850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=63850"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/63850\/revisions"}],"predecessor-version":[{"id":71735,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/63850\/revisions\/71735"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=63850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=63850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=63850"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=63850"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=63850"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=63850"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=63850"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=63850"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=63850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}